There's a reason so many of us trot out variations of "it's not you, it's me" when it comes time to end a relationship. Breaking up with someone requires a certain level of tact -- and general statements that put the blame firmly on your shoulders make you feel like you're letting your lover down easy.
But what harsh truths are those polite, cliché breakup lines really obscuring? You'd be surprised.
Below, we've gathered 10 of the most eye-opening breakup rationales people admitted to on Whisper, a free mobile app that allows users to share secrets anonymously.
Here's what they had to say: